XML 17 R5.htm IDEA: XBRL DOCUMENT v3.20.2
Unaudited Condensed Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2018   63,005    
Beginning balance at Dec. 31, 2018 $ (111,966) $ 0 $ 40,598 $ (152,564)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Accretion of redeemable convertible preferred stock (2,114)   (2,114)  
Exercise of stock options (in shares)   24    
Stock-based compensation 12   12  
Net loss (2,704)     (2,704)
Ending balance (in shares) at Mar. 31, 2019   63,029    
Ending balance at Mar. 31, 2019 $ (116,772) $ 0 38,496 (155,268)
Beginning balance (in shares) at Dec. 31, 2018 532,606,084      
Beginning balance at Dec. 31, 2018 $ 105,232      
Increase (Decrease) in Temporary Equity [Roll Forward]        
Accretion of redeemable convertible preferred stock $ 2,114      
Issuance of Series G redeemable convertible preferred stock for aggregate proceeds, net of issuance costs (in shares) 97,646,289      
Issuance of Series G redeemable convertible preferred stock for aggregate proceeds, net of issuance costs $ 7,520      
Ending balance (in shares) at Mar. 31, 2019 630,252,373      
Ending balance at Mar. 31, 2019 $ 114,866      
Beginning balance (in shares) at Dec. 31, 2018   63,005    
Beginning balance at Dec. 31, 2018 (111,966) $ 0 40,598 (152,564)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Net loss (5,489)      
Ending balance (in shares) at Jun. 30, 2019   63,055    
Ending balance at Jun. 30, 2019 $ (121,734) $ 0 36,319 (158,053)
Beginning balance (in shares) at Dec. 31, 2018 532,606,084      
Beginning balance at Dec. 31, 2018 $ 105,232      
Increase (Decrease) in Temporary Equity [Roll Forward]        
Accretion of redeemable convertible preferred stock $ 4,302      
Ending balance (in shares) at Jun. 30, 2019 681,534,421      
Ending balance at Jun. 30, 2019 $ 121,026      
Beginning balance (in shares) at Mar. 31, 2019   63,029    
Beginning balance at Mar. 31, 2019 (116,772) $ 0 38,496 (155,268)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Accretion of redeemable convertible preferred stock (2,188)   (2,188)  
Exercise of stock options (in shares)   26    
Stock-based compensation 11   11  
Net loss (2,785)     (2,785)
Ending balance (in shares) at Jun. 30, 2019   63,055    
Ending balance at Jun. 30, 2019 $ (121,734) $ 0 36,319 (158,053)
Beginning balance (in shares) at Mar. 31, 2019 630,252,373      
Beginning balance at Mar. 31, 2019 $ 114,866      
Increase (Decrease) in Temporary Equity [Roll Forward]        
Accretion of redeemable convertible preferred stock $ 2,188      
Issuance of Series G redeemable convertible preferred stock for aggregate proceeds, net of issuance costs (in shares) 51,282,048      
Issuance of Series G redeemable convertible preferred stock for aggregate proceeds, net of issuance costs $ 3,972      
Ending balance (in shares) at Jun. 30, 2019 681,534,421      
Ending balance at Jun. 30, 2019 $ 121,026      
Beginning balance (in shares) at Dec. 31, 2019 12,560,990 12,560,990    
Beginning balance at Dec. 31, 2019 $ 55,659 $ 13 220,248 (164,602)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Exercise of stock options (in shares)   43,700    
Exercise of stock options 10   10  
Stock-based compensation 431   431  
Net exercise of common stock warrants (in shares)   22,366    
Net loss (5,563)     (5,563)
Ending balance (in shares) at Mar. 31, 2020   12,627,056    
Ending balance at Mar. 31, 2020 $ 50,537 $ 13 220,689 (170,165)
Beginning balance (in shares) at Dec. 31, 2019 12,560,990 12,560,990    
Beginning balance at Dec. 31, 2019 $ 55,659 $ 13 220,248 (164,602)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Exercise of stock options (in shares) 47,299      
Net loss $ (8,926)      
Ending balance (in shares) at Jun. 30, 2020 12,640,409 12,640,409    
Ending balance at Jun. 30, 2020 $ 47,841 $ 13 221,356 (173,528)
Increase (Decrease) in Temporary Equity [Roll Forward]        
Accretion of redeemable convertible preferred stock 0      
Beginning balance (in shares) at Mar. 31, 2020   12,627,056    
Beginning balance at Mar. 31, 2020 50,537 $ 13 220,689 (170,165)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Exercise of stock options (in shares)   3,599    
Exercise of stock options 2   2  
Stock-based compensation 647   647  
Net exercise of common stock warrants (in shares)   9,754    
Net exercise of common stock warrants 18   18  
Net loss $ (3,363)     (3,363)
Ending balance (in shares) at Jun. 30, 2020 12,640,409 12,640,409    
Ending balance at Jun. 30, 2020 $ 47,841 $ 13 $ 221,356 $ (173,528)